package com.zky.gulimall.member.exception;

/**
 * @Description
 * @Author 张开源
 * @Date 2022/11/22 17:33
 * @Version 1.0
 **/
public class UserNameExistException extends RuntimeException {
    public UserNameExistException() {
        super("用户名已经存在");
    }
}
